Nortel Networks BM450 manual Contacting Technical Support, Gathering critical information

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Chapter 12

Contacting Technical Support

If you have been unable to resolve an issue using the information and steps provided in this guide, use the information in this chapter to contact Nortel Technical Support. This chapter identifies all of the critical information that you must gather before contacting Nortel Technical Support.

Navigation

Gathering critical information on page 99

Getting Help from the Nortel Web site on page 100

Getting help over the phone from a Nortel Solutions Center on page 100

Getting help from a specialist by using an Express Routing Code on page 101

Getting help through a Nortel distributor or reseller on page 101

Gathering critical information

Before contacting Nortel Technical Support, you must gather information that can help the technical support personnel when troubleshooting. This section identifies all the critical information that should be gathered before contacting Nortel Technical Support.

You must attempt to resolve your problem using this troubleshooting guide. Contacting Nortel is a final step taken only when you have been unable to resolve the issue using the information and steps provided in this troubleshooting guide. Gather the following information before contacting Nortel Tech Support. Collecting this information helps Nortel analyze and address the reported issue.

Problem scenario:

Detailed description of the problem

Expected Response (how you would expect the system to perform)

Actual Response (A detailed account of how the system actually performs)

Date and time when the problem started

Frequency of the problem

Is this a new installation?

Can you restore normal operation?

History:

Have you recently changed or upgraded your system, your network, or a custom application? For example, has any configuration or code been changed?

What events can be identified prior to the fault: e.g. upgrade, new LAN, increased traffic, new hardware?

When were these changes made? Provide the date and time.

BCM450 Troubleshooting Guide

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Contents BCM450 Troubleshooting Guide Copyright 2008 Nortel Networks, All Rights Reserved Task List BCM450 Troubleshooting GuideNN40160-700 Task ListContents Contents Chapter Advanced TroubleshootingChapter Understanding system messages Chapter Contacting Technical Support Organization IntroductionPurpose AudienceAcronym Description AcronymsIntroduction List of acronymsIntroduction List of acronyms Symbols and conventions used in this guide Related publications Introduction NN40160-700 Navigation Initial TroubleshootingProper installation and routine maintenance Network configurationLogical connections Device configuration informationInitial Troubleshooting Normal behavior on your networkInitial Troubleshooting Initial Troubleshooting NN40160-700 Check LED indicators Hardware TroubleshootingTroubleshooting the BCM450 hardware Check the power sourceSystem status LEDs states and descriptions Hardware TroubleshootingStatus Description LAN port LED locationsMBM LED descriptions Power Status DescriptionStatus Descriptions DTM LED functionsCheck the wiring connections To verify the keycodes using Element ManagerVerify the keycodes Restart or shut down the system To verify the keycodes using TelsetReset functions To restart the systemFunction Description Impact Power on self test Hardware reset functionsViewing the Post log file Example Bootloader.log file with no errors Testing basic hardware functionalityTo test the main unit To troubleshoot the main unitTo test the expansion unit To troubleshoot the expansion unit Testing an MBMDetermining why an MBM does not appear in Element Manager Troubleshooting the FEMTo determine why the ATA 2 does not function To determine why there is no dial tone at the ATA2 To check the ATA2 wiringReset to factory settings Reset levels Monitoring the boot process To perform a Level 1 reset configuration resetTo perform a Level 2 reset software reset Hardware Troubleshooting Boot process with failed or missing memory Check the programming of lines and phones Software TroubleshootingVerify the software version Verify the keycodesTrunk/Line data Software TroubleshootingCheck line programming To check line programmingSoftware Troubleshooting Trunk/Line Data main panel Sheet 2 Properties Software Troubleshooting Trunk/Line Data main panel Sheet 3Line must be equipped with disconnect supervision from Properties line settings Sheet 1Trunk mode Dia l modeSoftware Troubleshooting Properties line settings Sheet 2 SignalingPreferences Auto privacy Preferences details fields for lines Sheet 1Answer mode Restrictions RestrictionsTo restore data from an archive Restoring system dataAssigned DNs Select Components to Restore panel opens To restore the factory configurationTo view the BCM450 software inventory Obtaining software updatesVerify the software inventory Viewing the inventory of BCM450 softwareTo obtain updates from the Nortel Technical Support Web Software Troubleshooting NN40160-700 Advanced Troubleshooting Troubleshooting exampleExample 1 Cannot dial out from an analog trunk Advanced Troubleshooting Example 2 Cannot dial out from a SIP or H323 VoIP trunk Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Example 3 IP set is not registering with the BCM450 Troubleshooting example 3b Troubleshooting example 3aAdvanced Troubleshooting Example 5 Cannot dial out from digital trunk Troubleshooting example Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Troubleshooting example Select Configuration Resources Telephony Resources System is not processing calls Recovery treesStart-up profile fails Recovery treesStart-up profile fails Cannot access BCM450 through Element ManagerCannot access BCM450 through Element Manager NN40160-700 BCM450 shuts down unexpectedly Unexpected shutdown BCM450 Troubleshooting GuideRecovery trees NN40160-700 Applications available on BCM450 web Application User Administrator User ApplicationsDownloading Software Downloading software from the BCM450 webpageDownloading Software Applications available on BCM450 web To download software from the BCM450 webpageDownloading Software Downloading software from the Nortel web siteDownloading Software NN40160-700 Troubleshooting Tools Service ManagementStatus and Metrics Utilities Command Line InterfaceAccessing the CLI Troubleshooting ToolsAccessing the CLI through a serial connection Accessing the CLI through the OAM portUsing the Configuration CLI Using the Maintenance CLI To set Release Reasons Alarms, logs, and trapsUnderstanding system messages Reporting for dropped callsUnderstanding system messages Release reasons Partner Bulletins Useful Troubleshooting LinksKnowledge and Solution Engine Using the Knowledge and Solution EngineUseful Troubleshooting Links To use the Knowledge and Solution EngineHow do I back up the database? Frequently Asked QuestionsBackup, restore, and reset operations To perform a backupHow do I restore the BCM450 from a previous backup? To restore data from the BCM450Frequently Asked Questions Recovering a lost password Password protectionCompleting a warm or cold reset How do I recover a lost password for the BCM450?Fault management How do I view Alarms? Can I acknowledge and clear them?To view an alarm How do I capture the logs from the BCM450? To acknowledge an alarmUsing the Element Manager to transfer log files System and status informationUsing the BCM450 Web Page to transfer log files Capturing the current configuration How do I capture the current BCM450 configuration?Viewing specific process states How do I find the BCM450 system health?Viewing the system health How do I show specific process states?Viewing the system ID and serial number Connectivity problemsVerify the current software revision How do find the BCM450 System ID and Serial Number? Can I modify the IP address of the OAM port? What is an Ethernet loop, and how do I avoid creating one? What are the default IP addresses of the BCM450 ports? IP addressesFrequently Asked Questions Frequently Asked Questions NN40160-700 Gathering critical information Contacting Technical SupportGetting help over the phone from a Nortel Solutions Center Getting Help from the Nortel Web siteContacting Technical Support Getting help through a Nortel distributor or reseller Contacting Technical Support NN40160-700